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Floor ventilation through slots in the storage floor of a bulk storage facility for onions and potatoes.
It requires expensive infrastructure. In fact, it requires building a double floor, the upper one with slots and the lower one inclined so that the space between the floor and the floor decreases in the direction of the airflow. This arrangement causes the air to filter out with approximately equal pressure through all the slots.
Pay attention to the diminishing depth under the floor in the direction of the airflow.
Floor with ventilations slots
Close-up of the ventilations slots for bulk potato or onion storage
These moulds were used to make the «slotted tiles» for the floor. These tiles were made locally.
Bulk stored onions, 4 to 5 m high
Bulk stored potatoes, 4 to 5 m high
Here, you can appreciate the maximum height for storing compact and firm produce
Bulk storage of onions or potatoes must be done in complete darkness. Light will trigger sprouting.
Storage facilities with fully slotted floors produce the most homogeneous ventilation possible. Therefore, even though they require significant investment in infrastructure, they are the ones that are built to store large quantities of potatoes or onions (over 1,000 tonnes).
This system ventilates homogeneously, providing each onion or potato with the same amount of ventilation.
To mechanise your post harvest processes:
+1 239 3002374
or use our (preferable)
our contact form
Address: Farm San Isidro, Volcán, Panama.